Linked Life Data

21075604

Source:http://linkedlifedata.com/resource/pubmed/id/21075604

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2010-12-17
pubmed:abstractText
Six cucurbitane-type triterpenoids (1-6) isolated from the aerial parts of Momordica balsamina were evaluated for their ability to inhibit the activity of bacterial efflux pumps of methicillin-resistant Staphylococcus aureus (MRSA) COL(OXA), Enterococcus faecalis ATCC 29212, Salmonella enterica subsp. I serovar Typhimurium 5408 and S. Typhimurium 5408CIP strains. The latter strain overproduces the AcrB transporter of the AcrAB-TolC efflux pump six-fold compared with its parent. Compounds 4-6 were also tested for similar activity against Escherichia coli AG100 wild-type strain and E. coli AG100TET8 that overproduces the AcrAB-TolC efflux pump. Evaluation of efflux activity was performed using a semi-automated method that measures accumulation of the universal efflux pump substrate ethidium bromide (EtBr). Some of the compounds significantly inhibited efflux of EtBr by MRSA COL(OXA) and E. faecalis ATCC 29212. A correlation between activity and the topological polar surface area of the compounds was found for MRSA COL(OXA).
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jan
pubmed:issn
1872-7913
pubmed:author
pubmed:copyrightInfo
Copyright © 2010 Elsevier B.V. and the International Society of Chemotherapy. All rights reserved.
pubmed:issnType
Electronic
pubmed:volume
37
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
70-4
pubmed:meshHeading
pubmed:year
2011
pubmed:articleTitle
Inhibition of efflux pumps in methicillin-resistant Staphylococcus aureus and Enterococcus faecalis resistant strains by triterpenoids from Momordica balsamina.
pubmed:affiliation
iMed.UL, Faculdade de Farmácia, Universidade de Lisboa, Lisbon, Portugal.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't